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Hands-On RF Interference Testing

2 Day Course
Hands On
Code PWS266

This course has been retired. Please view currently available WiMAX Training Courses.

Modules

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Radio Principles (17 topics)

  • Radio Transmission Principles
  • Radio Propagation
  • Frequency, Wave Length, Phase and polarization
  • Signal Power and Free Space Loss
  • Effective Radiated Power (ERP)
  • Polarization, Absorption, Diffraction and Reflection effects
  • Signal to Noise Ratio
  • Interference effects and Fading
  • Channel Allocation
  • Modulation: Amplitude, Frequency and Phase Modulation
  • QAM
  • Multi-Access Systems: FDM, TDM, TDMA, FHSS, DSSS, OFDM, CDMA
  • PCS and GSM system timing needs
  • Frequency use
  • Overlapping channels
  • Coverage and what affects it
  • Causes of drop-outs of calls

Antenna Systems (9 topics)

  • Classes of Antennas
  • Antenna types used
  • Antenna Loss and Gain
  • Point-to-point services
  • Area Coverage
  • Cellular coverage
  • Towers and Mountings
  • Antenna Tower Engineering
  • Hidden Antennas

Noise and Interference (6 topics)

  • Noise and signal strength
  • Noise: sources and temperature
  • Co-channel Interference
  • Noise Types: Narrow band, Wide band, Impulse noise
  • Effects of reflection
  • Locating noise sources

Interference Testing (5 topics)

  • Types of test equipment and the tests that it can perform
  • Using Spectrum Analyzers to test and analyze normal signals
  • Recognizing different kinds of interference
  • Using directional antennas to locate interference sources
  • Handing off descriptions of interference faults found

Prerequisites

This course is aimed at field technicians who require to learn how to detect, measures and locate interference sources on cellular phone, WiFi and wireless data networks.

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